python operators - examples of three logical operators commonly used in actual combat-Python Tutorial-php.cn

python operators - examples of three logical operators commonly used in actual combat

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Release： 2018-08-13 17:12:06

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Today in this article we will talk about python logical operators among python operators. I hope this article can help you reading.

Logical operators: Python language supports logical operators. The following assumes that variable a is 10 and b is 20, as shown below: python operators - examples of three logical operators commonly used in actual combat

Enter the above numbers Among the examples:

#!/usr/bin/python
# -*- coding: UTF-8 -*-
 
a = 10
b = 20
 
if ( a and b ):
   print "1 - 变量 a 和 b 都为 true"
else:
   print "1 - 变量 a 和 b 有一个不为 true"
 
if ( a or b ):
   print "2 - 变量 a 和 b 都为 true，或其中一个变量为 true"
else:
   print "2 - 变量 a 和 b 都不为 true"
 
# 修改变量 a 的值
a = 0
if ( a and b ):
   print "3 - 变量 a 和 b 都为 true"
else:
   print "3 - 变量 a 和 b 有一个不为 true"
 
if ( a or b ):
   print "4 - 变量 a 和 b 都为 true，或其中一个变量为 true"
else:
   print "4 - 变量 a 和 b 都不为 true"
 
if not( a and b ):
   print "5 - 变量 a 和 b 都为 false，或其中一个变量为 false"
else:
   print "5 - 变量 a 和 b 都为 true"

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The output results of the above examples are as follows:

1 - 变量 a 和 b 都为 true
2 - 变量 a 和 b 都为 true，或其中一个变量为 true
3 - 变量 a 和 b 有一个不为 true
4 - 变量 a 和 b 都为 true，或其中一个变量为 true
5 - 变量 a 和 b 都为 false，或其中一个变量为 false

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The above content is the logical operator among python operators. I hope this article can be helpful to you who are learning python. help.

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